(verb) An instance in which an individual or group cancels a social engagement, abstains from, or drinks conservatively as a result of having been out the night before with a more preferable person or persons.

The individual expends most of his or her energy on the A-team, while leaving the rest for the B-Team.

"John is low-key tonight, because he partied last night with his new friends. We totally got B-teamed."